law of conservation of momentum

Calculate the momentum of a 1200 kg car with a velocity of 25m/s.

• 60,000 kg.m/s

• 30,000 kg.m/s

• 1200 kg/m/s

• 3000 kg.m/s

Tags

NGSS.HS-PS2-2

What is the momentum of a child and wagon if the total mass of the child and wagon is 22kg and the velocity is 1.5m/s?

• 22 kgm/s

• 13 kgm/s

• 33 kgm/s

• 14 kgm/s

Tags

NGSS.HS-PS2-2

The parking brake on a 1200kg automobile has broken, and the vehicle has reached a momentum of 7800kg.m/s. What is the velocity of the vehicle?

• 1200 m/s

• 2 m/s

• 8 m/s

• 6.5 m/s

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-1

A toy dart gun generates a dart with .140kg.m/s momentum and a velocity of 4m/s. What is the mass of the dart ?

• 0.035 kg

• 53 kg

• 35 kg

• 50 kg

Tags

NGSS.HS-PS2-2

A bowling ball of 35.2kg, generates 218 kg.m/s units of momentum. What is the velocity of the bowling ball?

• 2.6 m/s

• 6.2 m/s

• 62 m/s

• 26 m/s

Tags

NGSS.HS-PS2-1

. A school bus traveling at 40 km/hr. (11.1m/s) has a momentum of 152625 kg.m/s. What is the mass of the bus?

• 15000 kg

• 5000 kg

• 13,750 kg

• 600 kg

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-1

A 12,000kg. railroad car is traveling at 2m/s when it strikes another 10,000kg.railroad car that is at rest. If the cars lock together, what is the final speed of the two

railroad cars?

• 7 m/s

• 4 m/s

• 3 m/s

• 1.09 m/s

Tags

NGSS.HS-PS2-2

A 0.02 kg bullet traveling at 250m/s strikes a block of wood that weighs 2kg. With what velocity will the block and bullet move after the collision?

• 15 m/s

• 30 m/s

• 2.5 m/s

• 5.5 m/s

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-1

. Your brother’s mass is 55.0 kg, and he as a 2.0 kg skateboard. What is the combined momentum of your brother and his skateboard if they are going 8.50 m/s?

• 484.5 kgm/s

• 500 kgm/s

• 380 kgm/s

• 200 kgm/s

Tags

NGSS.HS-PS2-2

A 15.0 kg medicine ball is thrown at a velocity of 10.0 m/s to a 60.0 kg person who is a rest on ice. The person catches the ball and immediately slides across the ice. Assume that momentum is conserved and there is no friction. Calculate the velocity of the person AND THE BALL.

• 75 m/s

• 4 m/s

• 2 m/s

• 10 m/s

Tags

NGSS.HS-PS2-2